Singapore 1989 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Kelly Jones | d. | Amos Mansdorf | 6-1 7-5 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Kelly Jones | d. | Kevin Curren | W/O |
| Amos Mansdorf | d. | Wally Masur | 7-6 7-6 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Kevin Curren | d. | Jim Pugh | 6-4 6-2 |
| Kelly Jones | d. | Jim Grabb | 6-4 2-6 7-5 |
| Wally Masur | d. | Paul Chamberlin | 6-3 6-4 |
| Amos Mansdorf | d. | Kelly Evernden | 7-6 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Kevin Curren | d. | Johan Carlsson | 6-3 6-3 |
| Jim Pugh | d. | Tomas Nydahl | 6-0 7-6 |
| Jim Grabb | d. | Richard Fromberg | 6-7 6-3 7-6 |
| Kelly Jones | d. | Rick Leach | 6-3 6-2 |
| Paul Chamberlin | d. | Olli Rahnasto | 6-3 2-6 6-3 |
| Wally Masur | d. | Gianluca Pozzi | 6-4 6-2 |
| Kelly Evernden | d. | Christian Saceanu | 6-4 6-2 |
| Amos Mansdorf | d. | Tobias Svantesson | 6-1 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Kevin Curren | d. | Glenn Michibata | 6-1 6-1 |
| Johan Carlsson | d. | Young Min Kwon | 4-6 6-3 6-4 |
| Tomas Nydahl | d. | Jason Stoltenberg | 3-6 7-5 6-4 |
| Jim Pugh | d. | Grant Connell | 7-6 6-3 |
| Richard Fromberg | d. | John Fitzgerald | 7-6 6-1 |
| Jim Grabb | d. | Joey Rive | 6-3 6-3 |
| Kelly Jones | d. | Matt Anger | 6-4 4-6 6-2 |
| Rick Leach | d. | Richard Matuszewski | 6-2 6-2 |
| Olli Rahnasto | d. | Milan Srejber | 6-4 2-6 6-3 |
| Paul Chamberlin | d. | Vijay Amritraj | 6-0 7-6 |
| Gianluca Pozzi | d. | Paul Wekesa | 6-3 6-7 6-2 |
| Wally Masur | d. | Glenn Layendecker | 7-6 6-1 |
| Kelly Evernden | d. | Zeeshan Ali | 7-6 6-4 |
| Christian Saceanu | d. | Larry Scott | 6-2 6-4 |
| Tobias Svantesson | d. | David Pate | 7-6 6-2 |
| Amos Mansdorf | d. | Morten Christensen | 6-3 4-6 6-2 |